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Q:

Name the type of mirror used in the headlight of vehicles

A) Plano-convex mirror B) Convex mirror
C) Plane mirror D) Concave mirror
 
Answer & Explanation Answer: D) Concave mirror

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Q:

Which of the following is a Non-Luminous body?

A) Glowing bulb B) Moon
C) Burning candle D) Firefly
 
Answer & Explanation Answer: B) Moon

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Q:

Nautical miles to km formula

Answer

km ÷ 1.852 = nautical miles


Hence, 1 nmi = 1.852 km.

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Subject: Physics Exam Prep: CAT , Bank Exams

1 1138
Q:

A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is

A) 0.98 J B) -0.98 J
C) 1.96 J D) -1.96 J
 
Answer & Explanation Answer: C) 1.96 J

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Q:

Blocking in experimental design is useful because it

A) keeps the experimenter from knowing which subjects are in the treatment group. B) prevents response bias from entering into the experiment.
C) gives the quarterback enough time to throw the ball. D) controls for multiple variables in an experiment.
 
Answer & Explanation Answer: D) controls for multiple variables in an experiment.

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Q:

A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.

A) rest B) shape
C) motion D) direction
 
Answer & Explanation Answer: C) motion

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Q:

Diamond does not conduct electricity, because

A) It's structure is very compact B) It is of crystalline nature
C) There are only carbon atoms present in it D) No free electrons are present in it
 
Answer & Explanation Answer: D) No free electrons are present in it

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Q:

Which of the following can neither be created nor be destroyed?

A) Velocity B) Power
C) Energy D) Momentum
 
Answer & Explanation Answer: C) Energy

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